CN1956361B - Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver - Google Patents
Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver Download PDFInfo
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- CN1956361B CN1956361B CN200610124593A CN200610124593A CN1956361B CN 1956361 B CN1956361 B CN 1956361B CN 200610124593 A CN200610124593 A CN 200610124593A CN 200610124593 A CN200610124593 A CN 200610124593A CN 1956361 B CN1956361 B CN 1956361B
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Abstract
This invention relates to a method for realizing single-way transmission from Ethernet electric interface to optical interface and a fiber transceiver applying this method, which connects Ethernet cables with Ethernet electric interface physical layer function unit of a traditional fiber transceiver characterizing in simulating a far end Ethernet optical interface between a traditional fiber transceiver and fibers of optical transmission system so as to secure the integrality of optical link and its optical sending port of the electric/optical and optical/electric conversion unit can finish single-way transmission of optical signals.
Description
Technical field
The present invention relates to the implementation method of the one-way transmission transmission of light mouth in the Ethernet, the present invention simultaneously also provides a kind of Ethernet electricity mouthful commentaries on classics light mouth one-way transmission fiber optical transceiver that is used for, and the invention belongs to the communications field.
Background technology
Along with the progress of network technology, traditional cable is at the needs that can not adapt to the real network environment aspect transmission range and the coverage.Fiber optic network develop into an inevitable trend, so present enterprise just directly uses optical fiber to set up backbone network as transmission medium, also have a lot of enterprises based on the needs of commerce original network of also upgrading one after another when self networking.But for the consideration of fund, manpower or time, a lot of enterprise customers press for a kind of scheme of cheapness, cost can be reduced, and also allow original equipment obtain maximum value preserving simultaneously.
So the way of a lot of enterprises is exactly a backbone network is optical fiber, and the transmission medium of internal lan is generally copper cash, twisted-pair feeder.But how to realize that local area network (LAN) links to each other with the optical fiber backbone network? this just need change and guarantee link quality at different port, different medium.Because the restriction of copper cash transmission range; when the length Distance Transmission; people usually can be transmitted by the selective light signal; fiber optical transceiver is a kind of Ethernet transmission medium converting unit that the light signal of short-range twisted-pair feeder signal of telecommunication and long distance is exchanged, and also is referred to as optical-electrical converter or optic fiber converter in a lot of places.Say that simply fiber optical transceiver one end is to connect optical transmission system, the other end, what just user side came out is the 10/100M Ethernet interface, its cardinal principle is coupled by photoelectricity and realizes, what variation is the coded format of signal do not had.
Fiber optical transceiver generally is applied in Ethernet cable and can't covers, must use in the real network environment that optical fiber extends transmission distance, and has also brought into play enormous function helping last kilometer of optical fiber circuit is connected on metropolitan area network and the more outer field network simultaneously.Fiber optical transceiver be for being upgraded to optical fiber from copper cash with system, but be in want of funds, manpower or the user of time provide a kind of cheap solution.
The light mouth of fiber optical transceiver must be two-way in actual applications, promptly will have transmission that reception is arranged again.But in some special occasion, for example: network monitoring, under these circumstances, often only need sending function just passable, transmitted in both directions has just been wasted an optical fiber or a wavelength.Along with the enhancing of people to the network security awareness, network monitoring has become an independently industry, and scale is also increasing.Some occur and specialized in the mechanism that the network information is monitored.To the monitoring of the network information, only the information of transmission over networks need be sent to measuring instrument, do not need interactively behavior.Therefore, unidirectional transmission just can meet the demands.But the physical layer transmission of Ethernet requires link to have integrality, if this function makes the ethernet physical layer chip not receive data in the regular hour, it will forbid its sending function, just can only carry out transmitted in both directions, can't carry out one-way transmission.But for the light mouth, two-way transmission can realize that first kind is to need two optical fiber with two kinds of methods, one is used to send signal, another root is used for received signal, and second kind is the single fiber bi-directional technology, sends to utilize different wavelength to be implemented in the optical fiber with receiving function to transmit.More than two kinds of methods, or wasted an optical fiber, or wasted a wavelength, be not good solution, therefore need to seek a kind of method that can realize one-way transmission truly.
Summary of the invention
Purpose of the present invention overcomes original technical deficiency exactly, and the technical problem of light mouth signal one-way transmission behind the solution Ethernet electricity mouthful commentaries on classics light mouth provides a kind of Ethernet electricity mouth to change the fiber optical transceiver of implementation method and this method of employing of light mouth one-way transmission.
Technical scheme of the present invention is specific as follows: the implementation method of a kind of Ethernet electricity mouthful commentaries on classics light mouth one-way transmission, Ethernet electricity mouthful physical layer function unit 1 with traditional fiber optical transceiver connects Ethernet cable, it is characterized in that: between the optical fiber of traditional fiber optical transceiver and optical transmission system, the Ethernet light mouth of a far-end of simulation, thereby guaranteed the integrality of optical link, the light of its electricity/light, light/electric converting unit 4 sends the one-way transmission that mouth can be finished light signal.
A kind of fiber optical transceiver that adopts said method, it comprises the Ethernet electricity mouthful physical layer function unit 1 that links to each other successively, signal of telecommunication processing unit 2, Ethernet light mouth physical layer function unit 3, electricity/light, light/electric converting unit 4, it is characterized in that: Ethernet light mouth physical layer function unit 7, light/, same electricity/the light of the optical output port of electricity/optical conversion element 6, the light input end mouth of light/electric converting unit 4 is connected successively, electricity/light, the optical output port of light/electric converting unit 4 links to each other with optical branching device 5, electricity/light, the output light of light/electric converting unit 4 is divided into two ways of optical signals, and wherein one road light signal directly sends; And the light signal on another road is sent to optical input, the Ethernet light mouth physical layer function unit 7 of electricity/light, light/electric converting unit 6 successively.
In electricity of the present invention mouthful commentaries on classics light mouth one-way transmission fiber optical transceiver, described Ethernet light mouth physical layer function unit 7 is built-in with the coding/decoding chip, this chip can be worked out and meet the defeated requirement sign indicating number of an Ethernet light oral instructions shape, and described Ethernet light mouth physical layer function unit 7 also has generation, the detection receiving function of finishing the link integrity test pulse.
The present invention has the following advantages:
1. solved the problem that Ethernet light mouth can't unidirectional transmission.
2. for the business that only needs one-way transmission, can save a passback optical fiber or a passback wavelength.Saved operation cost.
3. do not have other useless signals and be incorporated in the system, make native system safe and reliablely to move.
4. this method is applicable to all Ethernet optical interfaces, comprises 100BASE-FX, models such as 1000Base-X.Applicability is more intense, is a more common method.
Description of drawings
Fig. 1: ordinary optic fibre transceiver theory diagram.
Fig. 2: the electricity of the embodiment of the invention mouthful commentaries on classics light mouth one-way optical fiber transceiver theory diagram.
Wherein:
1-Ethernet electricity mouthful physical layer function unit, its function comprise ethernet physical layer coding/decoding function, Ethernet electricity mouthful signal integrality monitoring function.
2-signal of telecommunication processing unit, its function are to become to be fit to the defeated data of Ethernet light oral instructions with being fit to the defeated data transaction of Ethernet electricity oral instructions.
3 and 7-Ethernet light mouth physical layer function unit, its function comprises the coding/decoding function of Ethernet light mouth, Ethernet light mouth signal finish the property testing function.
4 and 6-electricity/light, light/electric converting unit, its function is that optical module is finished light/electricity, electricity/light translation function.
5-1 divides 2 optical branching devices;
Embodiment
The present invention is described further below in conjunction with drawings and Examples.
Figure 2 shows that the electricity mouthful commentaries on classics light mouth one-way optical fiber transceiver schematic diagram of the embodiment of the invention, the light input end mouth of Ethernet light mouth physical layer function unit 7, light/electricity, electricity/optical conversion element 6 same electricity/light, light/electric converting unit 4 is connected successively, the purpose of electricity/light shown in Figure 2, light/electric converting unit 6, Ethernet light mouth physical layer function unit 7 is at Ethernet light input signal of this simulation, Ethernet light mouth physical layer function unit 7 has encoding function, and coded data need meet the defeated requirement of Ethernet light oral instructions.
Concrete steps such as Fig. 2: the Ethernet electricity mouthful 1 pair of signal of telecommunication that receives from ethernet twisted pair in physical layer function unit is decoded, decoded data are delivered to signal of telecommunication processing unit 2 to be handled, deliver to Ethernet light mouth physical layer function unit 3 afterwards and finish coding to input signal to meet the transmission requirement of light mouth, Ethernet light mouth physical layer function unit 3 is finished the transmission and the reception work of link integrity test pulse simultaneously, the signal that sends is sent to electricity/light, light/electric converting unit 4, finish the transmission work of light signal, electricity/light, the light signal that light/electric converting unit 4 optical output ports send out becomes unidirectional light transmission signal by 1 minute 2 optical branching device 5, one road light signal and sends; After light signal by 1 minute 2 another road of optical branching device is sent to the optical input of electricity/light, light/electric converting unit 6, continue to be conveyed to Ethernet light mouth physical layer function unit 7, Ethernet light mouth physical layer function unit 7 has the receiving function of finishing the link integrity test pulse, so Ethernet light mouth physical layer function unit 7 monitoring that can realize network.
The transmission mouth of electricity/light, light/electric converting unit 6 directly is connected to the input port of electricity/light, light/electric converting unit 4 by an optical patchcord.The signal process light that meets the defeated requirement of Ethernet light oral instructions that process Ethernet light mouth physical layer function unit 7 sends/, electricity/optical conversion element 6, signal is sent into electricity/light, behind the light input end mouth of light/electric converting unit 4, through electricity/light, the signal that light/electric converting unit 4 receives is successively by Ethernet light mouth physical layer function unit 3, signal of telecommunication processing unit 2, Ethernet electricity mouthful physical layer function unit 1, because the light signal link of Ethernet is received the Ethernet light signal always, so will continue its sending function, like this with regard to the folk prescription that promptly can realize light signal to sending function and network can not interrupt.
In sum, be interconnective between the light mouth between electricity/light, light/electric converting unit 4 and electricity/light, the light/electric converting unit 6 as can be seen, thereby light/electric converting unit 6 has been simulated the integrality that the Ethernet light mouth of a far-end has guaranteed optical link theoretically, so the light of electricity/light, light/electric converting unit 4 sends the one-way transmission that mouth can be finished light signal.
Of the present inventionly focus on simulating far-end light message breath.Finish the physical layer integrality of optical link.Useless information can be input to simultaneously the electricity mouth of Ethernet, the operate as normal that influence is electric mouthful.
Technical scheme involved in the present invention is compared with the ordinary optic fibre transceiver theory diagram content in Fig. 1 background technology, electricity/light, light/electric converting unit 4 all have reception, send the function of signal, but difference is a signal that electricity/light, light/electric converting unit 4 inserts is electricity/light, light/electric converting unit 6, the Ethernet light mouth physical layer function unit 7 far-end light mouth signal in this simulation, do not interrupt with the assurance physical layer, network does not interrupt.And ordinary optic fibre transceiver among Fig. 1, it is the one-way transmission that can't realize light signal, must send and receive external signal simultaneously just can operate as normal.And technical scheme involved in the present invention is the one-way transmission that can carry out the light mouth, does not need outside light signal input, thereby has saved an optical fiber or a wavelength.Though from theory diagram, increased Ethernet light mouth physical layer function unit 7, electricity/light, light/6,1 minute 2 optical branching device 5 of electric converting unit in order to realize the one-way transmission function, these three functional units implement relatively simple.Compare with common fiber optical transceiver, can save an optical fiber or a wavelength.The resource of an optical fiber or a wavelength is of great value in the transmission course of optical fiber, and therefore by contrast, the cost of three of required increase functional units is very little in the scheme involved in the present invention.
The present invention has done related experiment, experimental results show that: the method can well be carried out mouthful commentaries on classics light mouth one-way transmission work of Ethernet electricity, has the good light transmission performance.
Claims (2)
1. Ethernet electricity mouthful changes the implementation method of light mouth one-way transmission, Ethernet electricity mouthful physical layer function unit (1) with traditional fiber optical transceiver connects Ethernet cable, it is characterized in that: between the optical fiber of traditional fiber optical transceiver and optical transmission system, the Ethernet light mouth of a far-end of simulation, thereby guaranteed the integrality of optical link, the light of its electricity/light, light/electric converting unit (4) sends the one-way transmission that mouth can be finished light signal;
The light input end mouth of the same electricity/light of optical output port of Ethernet light mouth physical layer function unit (7), light/electricity, electricity/optical conversion element (6), light/electric converting unit (4) is connected successively, the same optical branching device of optical output port (5) of electricity/light, light/electric converting unit (4) links to each other, the output light of electricity/light, light/electric converting unit (4) is divided into two ways of optical signals, and wherein one road light signal directly sends; And the light signal on another road is sent to electricity/light, the optical input of light/electric converting unit (6), Ethernet light mouth physical layer function unit (7) successively.
2. fiber optical transceiver that adopts the method for claim 1, it comprises the Ethernet electricity mouthful physical layer function unit (1) that links to each other successively, signal of telecommunication processing unit (2), Ethernet light mouth physical layer function unit (3), electricity/light, light/electric converting unit (4), it is characterized in that: Ethernet light mouth physical layer function unit (7), light/, same electricity/the light of optical output port of electricity/optical conversion element (6), the light input end mouth of light/electric converting unit (4) is connected successively, electricity/light, the same optical branching device of optical output port (5) of light/electric converting unit (4) links to each other, electricity/light, the output light of light/electric converting unit (4) is divided into two ways of optical signals, and wherein one road light signal directly sends; And the light signal on another road is sent to electricity/light, the optical input of light/electric converting unit (6), Ethernet light mouth physical layer function unit (7) successively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610124593A CN1956361B (en) | 2006-09-22 | 2006-09-22 | Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver |
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| CN200610124593A CN1956361B (en) | 2006-09-22 | 2006-09-22 | Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver |
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| CN1956361A CN1956361A (en) | 2007-05-02 |
| CN1956361B true CN1956361B (en) | 2010-05-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359963B (en) * | 2008-09-27 | 2011-08-10 | 北京华环电子股份有限公司 | Dual Ethernet optical fiber transceiver, transceiving method and system |
| CN101527870B (en) * | 2009-03-27 | 2011-06-29 | 厦门福信光电集成有限公司 | Multi-Ethernet photoelectric conversion device and method for receiving and transmitting fiber data |
| CN101800757B (en) * | 2010-02-03 | 2012-06-27 | 国家保密科学技术研究所 | No-feedback one-way data transmission method based on single fiber structure |
| CN104935381B (en) * | 2015-05-28 | 2017-09-01 | 武汉光迅科技股份有限公司 | A kind of multichannel Ethernet power port turns optical port one-way transmission apparatus |
| CN107645340B (en) * | 2017-10-26 | 2023-11-10 | 贵州电网有限责任公司 | Portable digital transformer substation debugging assisting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111982A (en) * | 1994-02-22 | 1995-11-22 | 赫里尼·柯蒂斯公司 | Antiperspirant deodorant compositions |
| CN1530694A (en) * | 2002-10-15 | 2004-09-22 | 奥普林克通信公司 | Reflective variable attenuator and split monitor |
| CN2667804Y (en) * | 2003-11-25 | 2004-12-29 | 深圳市首迈通信技术有限公司 | Optica fibre Ethernet card |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111982A (en) * | 1994-02-22 | 1995-11-22 | 赫里尼·柯蒂斯公司 | Antiperspirant deodorant compositions |
| CN1530694A (en) * | 2002-10-15 | 2004-09-22 | 奥普林克通信公司 | Reflective variable attenuator and split monitor |
| CN2667804Y (en) * | 2003-11-25 | 2004-12-29 | 深圳市首迈通信技术有限公司 | Optica fibre Ethernet card |
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